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The VHM-314 Bluetooth Audio Receiver adds wireless audio connectivity to speakers, amplifiers, and DIY sound systems. It supports 3.7Vā5V power and provides stereo audio through a 3.5mm output jack.
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Description
VHM-314 Bluetooth Audio Receiver Module
The VHM-314 Bluetooth Audio Receiver lets you stream music wirelessly from a smartphone, tablet, or other Bluetooth device. It provides clear stereo audio through a standard 3.5mm output jack.
Power the module through its Micro USB port or the external 3.7Vā5V input pads. Its compact size makes it suitable for speaker upgrades, amplifier projects, and portable audio systems.
Key Features
- Bluetooth 4.1 wireless audio reception
- Standard 3.5mm stereo audio output
- Micro USB 5V power input
- External 3.7Vā5V power input pads
- Supports direct power from a suitable lithium battery
- Bluetooth status LED
- Wireless range of more than 15m in open areas
- Compact design for DIY audio projects
Technical Specifications
- Model: VHM-314
- Bluetooth Version: Bluetooth 4.1
- Operating Voltage: 3.7Vā5V DC
- Micro USB Input: 5V DC
- Audio Output: 3.5mm stereo jack
- Signal-to-Noise Ratio: 90dB
- THD+N: -70dB
- Crosstalk: -86dB
- Dynamic Range: 91dB
- Line-of-Sight Range: More than 15m
- Supported Profiles: A2DP, AVCTP, AVDTP, AVRCP and HFP
Interfaces
- Micro USB Port: Connect a standard 5V USB power supply.
- Power Pads: Connect an external regulated 3.7Vā5V supply.
- 3.5mm Audio Jack: Connect headphones, active speakers, or an external amplifier.
- LED Indicator: Shows the current Bluetooth connection status.
Pairing Instructions
- Connect a suitable 3.7Vā5V power source.
- Wait for the blue LED and pairing voice prompt.
- Open the Bluetooth settings on your phone.
- Search for the device named XY_BT.
- Select XY_BT to complete the connection.
- Play music after the successful connection prompt.
Applications
Use this module for:
- Converting wired speakers to Bluetooth
- DIY Bluetooth speakers
- Home audio systems
- Car audio projects
- Portable sound systems
- Amplifier and electronics projects
Package Contents
- 1 Ć VHM-314 Bluetooth Audio Receiver Module
Important Notes
- This module provides an audio signal output and is not a speaker power amplifier.
- Use an external amplifier when connecting passive speakers.
- Keep the supply voltage within the specified 3.7Vā5V range.
- Wireless range may decrease because of walls, interference, or nearby devices.
